3 Diane go to the cinema with her friends yesterday. She had too much homework.

3. Diane couldn't go to the cinema with her friends yesterday. She had too much homework.

Решение:

1. Тип задания – вставка модального глагола.
2. В данном случае нужно употребить couldn’t, так как действие происходило вчера (yesterday).

Ответ: couldn't